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Oval|Lab Grown|IGI

1.77ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG744510486

Certificate IGI LG744510486

Diamond specifications and retailer prices

From $400 USD
Save $3,650 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,050 USD at Brilliant Earth
View at Brilliant Earth

About this 1.77ct lab-grown oval diamond

This 1.77ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744510486 or 744510486. Listed at 22 retailers, with prices from $400 to $4,050 at Brilliant Earth, a $3,650 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744510486
Dimensions9.72 × 6.79 × 4.28 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.72 mm6.79 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744510486
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 26
Current: $4,050 USD|Low: $280 USD|High: $4,300 USD|Avg: $1,233 USD|-5.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 7$422 USD
Retailer 10$427 USD
Retailer 2$565 USD
Retailer 15$575 USD
Retailer 12$595 USD
Retailer 5$675 USD
Retailer 9$718 USD
Retailer 17$749 USD
Retailer 13$764 USD
Retailer 6$959 USD
Retailer 16$1,136 USD
Retailer 8$1,357 USD
Retailer 3$1,401 USD
Retailer 11$1,600 USD
Retailer 14$1,643 USD
Retailer 18$1,713 USD
Retailer 19$1,746 USD
Retailer 4$3,170 USD
Brilliant Earth$4,050 USD

39 data points across 19 retailers

22 retailers$400 USD to $4,050 USD

A
Retailer 1
-
$344 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$400 USD
View
A
Retailer 3
-
$422 USD
View
A
Retailer 4
-
$427 USD
View
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$575 USD
View
A
Retailer 7
-
$595 USD
View
A
Retailer 8
-
$675 USD
€643 EUR
View
A
Retailer 9
-
$718 USD
ZAR 11,597 ZAR
View
Price last confirmed 13 days ago
A
Retailer 10
-
$750 USD
£591 GBP
View
A
Retailer 11
-
$764 USD
View
A
Retailer 12
-
$959 USD
View
A
Retailer 13
-
$1,136 USD
View
B+
Retailer 14
-
$1,357 USD
View
B+
Retailer 15
-
$1,401 USD
View
B+
Retailer 16
-
$1,599 USD
View
B+
Retailer 17
-
$1,600 USD
£1,260 GBP
View
Price last confirmed 37 days ago
B+
Retailer 18
-
$1,643 USD
View
B+
Retailer 19
-
$1,713 USD
£1,349 GBP
View
B+
Retailer 20
-
$1,746 USD
View
B
Retailer 21
-
$3,170 USD
View
Most Expensive
B
Brilliant Earth
16922958A · Oct 1
$4,050 USD
View
21 more retailers have this diamond
Prices start from $400 USDSave up to $3,650 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
1.77ct Oval
$400 USD